Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Ra4 win in 3 half-moves
2 Bg7 draw
3 Nh3 draw
4 Ra2 draw
5 Ra3 draw
6 Rg1 draw
7 Rh1 draw
8 Bf8 loss in 2 half-moves
9 Ne4 loss in 2 half-moves
10 Ne6 loss in 2 half-moves
11 Nf3 loss in 2 half-moves
12 Nf7 loss in 2 half-moves
13 Nh7 loss in 2 half-moves
14 Ra5 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Rb1 loss in 2 half-moves
19 Rc1 loss in 2 half-moves
20 Rd1 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Rf1 loss in 2 half-moves